Granted Patent
Utility
US 6,364,223 · App. 09/828,384
Process for producing briquetted and pressed granular material and use thereof
Inventors:
Gunter Linde, Olaf Schmidt-Park, Manfred Eitel, Lothar Steiling
Patented Case
View Patent ↗
Granted: Apr 2, 2002
Filed: Apr 6, 2001
Inventors
Gunter Linde
Olaf Schmidt-Park
Manfred Eitel
Lothar Steiling
Assignee (at issue)
Bayer Aktiengesellschaft
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.